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    <tr><td class="title">LTP GCOV extension - code coverage report</td></tr>
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          <td class="headerItem" width="20%">Current&nbsp;view:</td>
          <td class="headerValue" width="80%" colspan=4><a href="../index.html">directory</a> - <a href="index.html">MemCtrl</a> - dram.cc</td>
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          <td class="headerItem" width="20%">Test:</td>
          <td class="headerValue" width="80%" colspan=4>iris.info</td>
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          <td class="headerItem" width="20%">Date:</td>
          <td class="headerValue" width="20%">2010-05-24</td>
          <td width="20%"></td>
          <td class="headerItem" width="20%">Instrumented&nbsp;lines:</td>
          <td class="headerValue" width="20%">65</td>
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          <td class="headerItem" width="20%">Code&nbsp;covered:</td>
          <td class="headerValue" width="20%">81.5 %</td>
          <td width="20%"></td>
          <td class="headerItem" width="20%">Executed&nbsp;lines:</td>
          <td class="headerValue" width="20%">53</td>
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      <td><pre class="source">
<span class="lineNum">       1 </span>                : /*
<span class="lineNum">       2 </span>                :  * =====================================================================================
<span class="lineNum">       3 </span>                :  *
<span class="lineNum">       4 </span>                :  *       Filename:  dram.cc
<span class="lineNum">       5 </span>                :  *
<span class="lineNum">       6 </span>                :  *    Description:  
<span class="lineNum">       7 </span>                :  *
<span class="lineNum">       8 </span>                :  *        Version:  1.0
<span class="lineNum">       9 </span>                :  *        Created:  02/23/2010 07:25:58 PM
<span class="lineNum">      10 </span>                :  *       Revision:  none
<span class="lineNum">      11 </span>                :  *       Compiler:  gcc
<span class="lineNum">      12 </span>                :  *
<span class="lineNum">      13 </span>                :  *         Author:  SYED MINHAJ HASSAN
<span class="lineNum">      14 </span>                :  *        Company:  Georgia Institute of Technology
<span class="lineNum">      15 </span>                :  *
<span class="lineNum">      16 </span>                :  * =====================================================================================
<span class="lineNum">      17 </span>                :  */
<span class="lineNum">      18 </span>                : 
<span class="lineNum">      19 </span>                : #include &lt;math.h&gt;
<span class="lineNum">      20 </span>                : #include &quot;dram.h&quot;
<span class="lineNum">      21 </span>                : #include &quot;../MemCtrl/bus.h&quot;
<span class="lineNum">      22 </span>                : #include &quot;../MemCtrl/cmd_issuer.h&quot;
<span class="lineNum">      23 </span>                : #include &quot;../MemCtrl/data_bus_handler.h&quot;
<span class="lineNum">      24 </span>                : #include &quot;MC.h&quot;
<span class="lineNum">      25 </span>                : 
<span class="lineNum">      26 </span>                : using namespace std;
<span class="lineNum">      27 </span>                : 
<span class="lineNum">      28 </span>                : /*
<span class="lineNum">      29 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      30 </span>                :  *       Class:  DRAM
<span class="lineNum">      31 </span>                :  *      Method:  DRAM
<span class="lineNum">      32 </span>                :  * Description:  constructor
<span class="lineNum">      33 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      34 </span>                :  */
<span class="lineNum">      35 </span>                : 
<span class="lineNum">      36 </span><span class="lineCov">             24 : DRAM::DRAM()</span>
<span class="lineNum">      37 </span>                : {
<span class="lineNum">      38 </span><span class="lineCov">             16 :     for (unsigned int i=0; i&lt;NO_OF_CHANNELS; i++)</span>
<span class="lineNum">      39 </span>                :     {
<span class="lineNum">      40 </span><span class="lineCov">              8 :         dc[i].dramBusyTime = 0;</span>
<span class="lineNum">      41 </span><span class="lineCov">              8 :         dc[i].dramBusyCycles = 0;       </span>
<span class="lineNum">      42 </span><span class="lineCov">             16 :         for (unsigned int j=0; j&lt;NO_OF_CHANNELS; j++)</span>
<span class="lineNum">      43 </span>                :         {
<span class="lineNum">      44 </span><span class="lineCov">             16 :             for (unsigned int k=0; k&lt;NO_OF_CHANNELS; k++)</span>
<span class="lineNum">      45 </span>                :             {
<span class="lineNum">      46 </span><span class="lineCov">              8 :                 dc[i].dramBankBusyTime[j][k] = 0;</span>
<span class="lineNum">      47 </span><span class="lineCov">              8 :                 dc[i].dramBankBusyCycles[j][k] = 0;     </span>
<span class="lineNum">      48 </span>                :             }       
<span class="lineNum">      49 </span>                :         }
<span class="lineNum">      50 </span>                :     }
<span class="lineNum">      51 </span><span class="lineNoCov">              0 : }</span>
<span class="lineNum">      52 </span>                : 
<span class="lineNum">      53 </span>                : /*
<span class="lineNum">      54 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      55 </span>                :  *       Class:  DRAM
<span class="lineNum">      56 </span>                :  *      Method:  ~DRAM
<span class="lineNum">      57 </span>                :  * Description:  destructor
<span class="lineNum">      58 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      59 </span>                :  */
<span class="lineNum">      60 </span><span class="lineNoCov">              0 : DRAM::~DRAM()</span>
<span class="lineNum">      61 </span>                : {
<span class="lineNum">      62 </span>                :    // delete[] dc;
<span class="lineNum">      63 </span><span class="lineNoCov">              0 : }</span>
<span class="lineNum">      64 </span>                : 
<span class="lineNum">      65 </span><span class="lineCov">              8 : void DRAM::SetLinks()</span>
<span class="lineNum">      66 </span>                : {
<span class="lineNum">      67 </span><span class="lineCov">             16 :     for (unsigned int i=0; i&lt;NO_OF_CHANNELS; i++)</span>
<span class="lineNum">      68 </span>                :     {
<span class="lineNum">      69 </span><span class="lineCov">              8 :         dc[i].parent = this;</span>
<span class="lineNum">      70 </span><span class="lineCov">              8 :         dc[i].mc = mc;</span>
<span class="lineNum">      71 </span><span class="lineCov">              8 :         dc[i].child = (Component*)(&amp;((Bus*)parent)-&gt;dataBus[i]);</span>
<span class="lineNum">      72 </span>                :     }                   
<span class="lineNum">      73 </span><span class="lineCov">              8 : }</span>
<span class="lineNum">      74 </span>                : 
<span class="lineNum">      75 </span>                : /*
<span class="lineNum">      76 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      77 </span>                :  *       Class:  DRAM
<span class="lineNum">      78 </span>                :  *      Method:  process_event
<span class="lineNum">      79 </span>                :  * Description:  
<span class="lineNum">      80 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      81 </span>                :  */
<span class="lineNum">      82 </span><span class="lineNoCov">              0 : void DRAM::process_event(IrisEvent* e)</span>
<span class="lineNum">      83 </span>                : {
<span class="lineNum">      84 </span>                : /*  DRAMCmd cmd;
<span class="lineNum">      85 </span>                :     IrisEvent *event = new IrisEvent();
<span class="lineNum">      86 </span>                :     cmd = e-&gt;event_data.at(0);
<span class="lineNum">      87 </span>                :     map_addr(req);
<span class="lineNum">      88 </span>                :     event-&gt;source = (Component*)this;
<span class="lineNum">      89 </span>                :     event-&gt;dst = (Component*)child;
<span class="lineNum">      90 </span>                :     event-&gt;event_data.push_back((void*)cmd);
<span class="lineNum">      91 </span>                : 
<span class="lineNum">      92 </span>                :     Simulator::Schedule(Simulator::Now()+1, &amp;DRAM[i]::process_event, (DRAM*)event-&gt;dst, event);          
<span class="lineNum">      93 </span>                :    */
<span class="lineNum">      94 </span><span class="lineNoCov">              0 :    delete e;</span>
<span class="lineNum">      95 </span><span class="lineNoCov">              0 : }</span>
<span class="lineNum">      96 </span>                : 
<span class="lineNum">      97 </span>                : /*
<span class="lineNum">      98 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      99 </span>                :  *       Class:  DRAM
<span class="lineNum">     100 </span>                :  *      Method:  DRAM
<span class="lineNum">     101 </span>                :  * Description:  constructor
<span class="lineNum">     102 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">     103 </span>                :  */
<span class="lineNum">     104 </span>                : 
<span class="lineNum">     105 </span><span class="lineCov">              8 : DRAMChannel::DRAMChannel()</span>
<span class="lineNum">     106 </span>                : {
<span class="lineNum">     107 </span>                :         
<span class="lineNum">     108 </span><span class="lineNoCov">              0 : }</span>
<span class="lineNum">     109 </span>                : 
<span class="lineNum">     110 </span>                : /*
<span class="lineNum">     111 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">     112 </span>                :  *       Class:  DRAM
<span class="lineNum">     113 </span>                :  *      Method:  ~DRAM
<span class="lineNum">     114 </span>                :  * Description:  destructor
<span class="lineNum">     115 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">     116 </span>                :  */
<span class="lineNum">     117 </span><span class="lineNoCov">              0 : DRAMChannel::~DRAMChannel()</span>
<span class="lineNum">     118 </span>                : {
<span class="lineNum">     119 </span>                : 
<span class="lineNum">     120 </span><span class="lineNoCov">              0 : }</span>
<span class="lineNum">     121 </span>                : 
<span class="lineNum">     122 </span>                : /*
<span class="lineNum">     123 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">     124 </span>                :  *       Class:  DRAM
<span class="lineNum">     125 </span>                :  *      Method:  process_event
<span class="lineNum">     126 </span>                :  * Description:  ((Bus*)((DRAM*)parent)-&gt;parent)-&gt;
<span class="lineNum">     127 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">     128 </span>                :  */
<span class="lineNum">     129 </span><span class="lineCov">         336035 : void DRAMChannel::process_event(IrisEvent* e)</span>
<span class="lineNum">     130 </span>                : {
<span class="lineNum">     131 </span>                : //    DRAMCmdState *cmd = new DRAMCmdState();
<span class="lineNum">     132 </span><span class="lineCov">         336035 :     IrisEvent *event = new IrisEvent();</span>
<span class="lineNum">     133 </span><span class="lineCov">         336035 :     DRAMCmdState *cmd = ((DRAMCmdState*)e-&gt;event_data.at(0));        //TODO needs to set this through manifold kernel's links        </span>
<span class="lineNum">     134 </span>                : 
<span class="lineNum">     135 </span><span class="lineCov">         336035 :     switch (cmd-&gt;cmd)</span>
<span class="lineNum">     136 </span>                :     {
<span class="lineNum">     137 </span>                :         case PRECHARGE: 
<span class="lineNum">     138 </span><span class="lineCov">          88989 :              dramBusyTime = Simulator::Now()+t_RP;</span>
<span class="lineNum">     139 </span><span class="lineCov">          88989 :              dramBankBusyTime[cmd-&gt;req.rankNo][cmd-&gt;req.bankNo] = Simulator::Now()+t_RP;  </span>
<span class="lineNum">     140 </span><span class="lineCov">          88989 :              break;</span>
<span class="lineNum">     141 </span>                :         case ACTIVATE:
<span class="lineNum">     142 </span><span class="lineCov">          89102 :              dramBusyTime = Simulator::Now()+t_RCD;</span>
<span class="lineNum">     143 </span><span class="lineCov">          89102 :              dramBankBusyTime[cmd-&gt;req.rankNo][cmd-&gt;req.bankNo] = Simulator::Now()+t_RCD; </span>
<span class="lineNum">     144 </span><span class="lineCov">          89102 :              break;</span>
<span class="lineNum">     145 </span>                :         case WRITE:
<span class="lineNum">     146 </span><span class="lineCov">           8466 :              dramBusyTime = Simulator::Now()+t_WR;</span>
<span class="lineNum">     147 </span><span class="lineCov">           8466 :              dramBankBusyTime[cmd-&gt;req.rankNo][cmd-&gt;req.bankNo] = Simulator::Now()+t_WR;  </span>
<span class="lineNum">     148 </span><span class="lineCov">           8466 :              break;</span>
<span class="lineNum">     149 </span>                :         case READ:
<span class="lineNum">     150 </span><span class="lineCov">         148798 :              dramBusyTime = Simulator::Now()+t_CAS;</span>
<span class="lineNum">     151 </span><span class="lineCov">         148798 :              dramBankBusyTime[cmd-&gt;req.rankNo][cmd-&gt;req.bankNo] = Simulator::Now()+t_CAS; </span>
<span class="lineNum">     152 </span><span class="lineCov">         148798 :              break;</span>
<span class="lineNum">     153 </span>                :         case ALL_BANK_REFRESH:
<span class="lineNum">     154 </span><span class="lineCov">            680 :              dramBusyTime = Simulator::Now()+t_RFC;</span>
<span class="lineNum">     155 </span><span class="lineCov">           6120 :              for (unsigned int i=0; i&lt;NO_OF_BANKS; i++)</span>
<span class="lineNum">     156 </span>                :              {          
<span class="lineNum">     157 </span><span class="lineCov">           5440 :                 dramBankBusyTime[cmd-&gt;req.rankNo][i] = Simulator::Now()+t_RFC;</span>
<span class="lineNum">     158 </span><span class="lineCov">           5440 :                 dramBankBusyCycles[cmd-&gt;req.rankNo][i] += (dramBankBusyTime[cmd-&gt;req.rankNo][i]-Simulator::Now());</span>
<span class="lineNum">     159 </span>                :              }
<span class="lineNum">     160 </span>                :              break;
<span class="lineNum">     161 </span>                :         default:
<span class="lineNum">     162 </span><span class="lineNoCov">              0 :              cout &lt;&lt; &quot;Unknown DRAM command reached DRAM&quot; &lt;&lt; endl; </span>
<span class="lineNum">     163 </span>                : 
<span class="lineNum">     164 </span>                :     }
<span class="lineNum">     165 </span><span class="lineCov">         336035 :     dramBusyCycles += (dramBusyTime-Simulator::Now());</span>
<span class="lineNum">     166 </span><span class="lineCov">         336035 :     if (cmd-&gt;cmd != ALL_BANK_REFRESH)</span>
<span class="lineNum">     167 </span><span class="lineCov">         335355 :         dramBankBusyCycles[cmd-&gt;req.rankNo][cmd-&gt;req.bankNo] += (dramBankBusyTime[cmd-&gt;req.rankNo][cmd-&gt;req.bankNo]-Simulator::Now());</span>
<span class="lineNum">     168 </span>                :     
<span class="lineNum">     169 </span><span class="lineCov">         336035 :     switch (e-&gt;type)</span>
<span class="lineNum">     170 </span>                :     {
<span class="lineNum">     171 </span>                :         case START_READ:
<span class="lineNum">     172 </span>                : #ifdef DEEP_DEBUG
<span class="lineNum">     173 </span>                :             cout &lt;&lt; dec &lt;&lt; Simulator::Now() &lt;&lt; &quot;: &quot; &lt;&lt; hex &lt;&lt; cmd-&gt;req.address &lt;&lt; &quot;: I am in DRAM READ with &quot; &lt;&lt; dec &lt;&lt; cmd-&gt;cmd &lt;&lt; endl;       
<span class="lineNum">     174 </span>                : #endif               
<span class="lineNum">     175 </span><span class="lineCov">         331802 :             if (cmd-&gt;cmd == READ)</span>
<span class="lineNum">     176 </span>                :             {                
<span class="lineNum">     177 </span><span class="lineCov">         148798 :                 event-&gt;src = (Component*)this;</span>
<span class="lineNum">     178 </span><span class="lineCov">         148798 :                 event-&gt;dst = child;</span>
<span class="lineNum">     179 </span><span class="lineCov">         148798 :                 event-&gt;type = START_READ;    </span>
<span class="lineNum">     180 </span><span class="lineCov">         148798 :                 event-&gt;event_data.push_back((void*)cmd);     //TODO needs to set this through manifold kernel's links</span>
<span class="lineNum">     181 </span>                : 
<span class="lineNum">     182 </span><span class="lineCov">         148798 :                 Simulator::Schedule(Simulator::Now()+t_CAS+1, &amp;DataBusHandler::process_event, (DataBusHandler*)event-&gt;dst, event); </span>
<span class="lineNum">     183 </span>                :             }  
<span class="lineNum">     184 </span>                :             else
<span class="lineNum">     185 </span>                :             {
<span class="lineNum">     186 </span><span class="lineCov">         366008 :                 delete cmd;</span>
<span class="lineNum">     187 </span><span class="lineCov">         183004 :                 delete event;</span>
<span class="lineNum">     188 </span>                :             }           
<span class="lineNum">     189 </span>                :         break;
<span class="lineNum">     190 </span>                :         case START_WRITE:
<span class="lineNum">     191 </span>                : #ifdef DEEP_DEBUG
<span class="lineNum">     192 </span>                :                 cout &lt;&lt; dec &lt;&lt; Simulator::Now() &lt;&lt; &quot;: &quot; &lt;&lt; hex &lt;&lt; cmd-&gt;req.address &lt;&lt; &quot;: I am in DRAM WRITE with &quot; &lt;&lt; dec &lt;&lt; cmd-&gt;cmd &lt;&lt; endl;
<span class="lineNum">     193 </span>                : #endif
<span class="lineNum">     194 </span><span class="lineCov">           4233 :                 cmd-&gt;req.retireTime = Simulator::Now()+t_WR;</span>
<span class="lineNum">     195 </span>                : #ifdef DEBUG
<span class="lineNum">     196 </span>                :                 cout &lt;&lt; dec &lt;&lt; Simulator::Now()+t_WR &lt;&lt; &quot;: &quot; &lt;&lt; hex &lt;&lt; cmd-&gt;req.address &lt;&lt; &quot;: Total Time taken by request &quot; &lt;&lt; dec &lt;&lt; cmd-&gt;req.retireTime - cmd-&gt;req.arrivalTime &lt;&lt; endl;
<span class="lineNum">     197 </span>                : #endif
<span class="lineNum">     198 </span><span class="lineCov">           4233 :                 ((MC*)mc)-&gt;stats-&gt;CollectStatsPerRequest(&amp;cmd-&gt;req);</span>
<span class="lineNum">     199 </span><span class="lineCov">           8466 :                 delete cmd;</span>
<span class="lineNum">     200 </span><span class="lineCov">           4233 :                 delete event;</span>
<span class="lineNum">     201 </span>                :         break;
<span class="lineNum">     202 </span>                :         default:
<span class="lineNum">     203 </span><span class="lineNoCov">              0 :                 delete cmd;</span>
<span class="lineNum">     204 </span><span class="lineNoCov">              0 :                 delete event;</span>
<span class="lineNum">     205 </span>                : #ifdef DEBUG
<span class="lineNum">     206 </span>                :                 cout &lt;&lt; Simulator::Now() &lt;&lt; &quot;: I should not come to default of process event in DRAM\n&quot;;
<span class="lineNum">     207 </span>                : #endif
<span class="lineNum">     208 </span>                :         break;
<span class="lineNum">     209 </span>                :     }
<span class="lineNum">     210 </span>                :     
<span class="lineNum">     211 </span>                :   //  if (!e-&gt;event_data.empty())    
<span class="lineNum">     212 </span>                :   //    delete ((DRAMCmdState*)e-&gt;event_data.at(0)); 
<span class="lineNum">     213 </span><span class="lineCov">         336035 :     delete e;</span>
<span class="lineNum">     214 </span><span class="lineCov">         336037 : }</span>
<span class="lineNum">     215 </span>                : 
<span class="lineNum">     216 </span>                : 
</pre>
      </td>
    </tr>
  </table>
  <br>

  <table width="100%" border=0 cellspacing=0 cellpadding=0>
  <tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
  <tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LTP GCOV extension version 1.6</a></td></tr>
  </table>
  <br>

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